Figure 5 | Scientific Reports

Figure 5

From: Bubble-enhanced basanite–tephrite mixing in the early stages of the Cumbre Vieja 2021 eruption, La Palma, Canary Islands

Figure 5

EPMA beam transects across three different filaments in sample PAR-2309, from 23 September 2021. Error bars indicate 2-sigma precision of the semiquantitative analysis. The red arrow in MgO transects shows likely multicomponent diffusion effects (uphill diffusion) resulting in concentration minima at both sides of the basanitic filament. Transect C is likely affected by slight analytical contamination form magnetite dendrites centred at ca. 16 µm (grey band), resulting in a distinct peak and a wider compositional span.

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